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Orientation and Sexual Differences during Breeding Migrations of the Spotted Salamander, Ambystoma maculatum

C. A. Phillips and O. J. Sexton
Copeia
Vol. 1989, No. 1 (Feb. 27, 1989), pp. 17-22
DOI: 10.2307/1445599
Stable URL: http://www.jstor.org/stable/1445599
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Orientation and Sexual Differences during Breeding Migrations of the Spotted Salamander, Ambystoma maculatum
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Abstract

We conducted a 2 yr drift fence study of individually marked Ambystoma maculatum at a woodland pond in east-central Missouri. In 1985-86, 24% and 45% of the marked animals exited the pond within one drop can (5 m) of their respective entry point. In 1986, 35% of the marked salamanders entered within one drop can of their 1985 entry point. These results are strikingly similar to those of other studies of A. maculatum. No difference in orientation ability could be detected between the sexes. During two breeding seasons, the sex ratio of marked individuals remained the same.

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